.box{width: 730px; height: 645px;
background: url(../img/focus.jpg) no-repeat; margin: auto; position: relative;
}
ul,li{margin: 0; padding: 0;}
.u1{position: absolute; top: 420px; right: 300px;}
.ul:after{
	content: '';
	display: block;
	clear: both;
}
.u1 li{list-style: none; width: 20px; height: 20px;
background-color: gray; text-align: center; margin: 5px; border-radius: 50%;
float: left; color: white;
}
.u1 li:hover{background-color: orange; color: ;}

